Variable Resistors

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Part	Manufacturer	Resistor Type	Mounting Type	Resistance	Rated Power Dissipation (P)	Maximum Operating Temperature	Tolerance	Diameter (Lead)	No. of Turns	Rated Temperature	Orientation (Actuator)	Technology	Shape (Package)	Law Of Resistance	Construction	Packing Method	Size Code	No. of Terminals	Package Style (Meter)	Terminal Shape	Sub-Category	Minimum Operating Temperature	Temperature Coef (ppm/Cel)	Terminal Finish	Length (Lead)	Height (Package)	Manufacturer Series	Operating Voltage	Additional Features	Type (Actuator)	Length (Package)	JESD-609 Code	Series	Diameter (Package)	Reference Standard	Width (Package)	Ganging Number	Angle Of Rotation
3549H-2AC-102/102B	Bourns	POTENTIOMETER	PANEL MOUNT	1000 ohm	2 W	125 Cel	10 %		10	70 Cel	HORIZONTAL	HYBRID	CIRCULAR PACKAGE	LINEAR	Round	TRAY		6	Panel Mount	LUG	Variable Resistors	-40 Cel	100	Gold (Au) - with Nickel (Ni) barrier			3549			SHAFT	40.259 mm	e4	3549	22.479 mm			2	3600 deg
3549S-1AE-103A	Bourns	POTENTIOMETER	PANEL MOUNT	10000 ohm	2 W	125 Cel	3 %		10	70 Cel	HORIZONTAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR	Round	TRAY		3	Panel Mount	LUG	Variable Resistors	-40 Cel	50	Gold (Au)			3549			SHAFT	25.222 mm	e4	3549	22.225 mm			1	3600 deg
380C15000	Honeywell Sensing And Control	POTENTIOMETER	PANEL MOUNT	5000 ohm	2 W	120 Cel	10 %		1		HORIZONTAL	CONDUCTIVE PLASTIC		LINEAR	Tubular			3	CIRCULAR PACKAGE	LUG		-55 Cel						500 V		SHAFT	27.78 mm				MIL-R-94	14.27 mm	1	312 deg
380C210K	Honeywell Sensing And Control	POTENTIOMETER	PANEL MOUNT	10000 ohm	2 W	120 Cel	10 %		1		HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR				3		LUG		-55 Cel								SHAFT							1
392JA250	Honeywell Sensing And Control	POTENTIOMETER	THROUGH HOLE MOUNT	250 ohm	.5 W	120 Cel	10 %		1		VERTICAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR				3		WIRE		-40 Cel								SHAFT							1
6639S-1502	Bourns	POTENTIOMETER	PANEL MOUNT	5000 ohm	1 W	125 Cel	15 %		1	70 Cel	HORIZONTAL	CONDUCTIVE PLASTIC	CIRCULAR PACKAGE	LINEAR	Bushing Mount			3	Panel Mount	TURRET	POTENTIOMETER	-40 Cel		GOLD OVER NICKEL						SHAFT	11.25 mm	e4		22.23 mm			1	340 deg
73JA5K	Honeywell Sensing And Control	POTENTIOMETER	CHASSIS MOUNT	5000 ohm	2 W	120 Cel	5 %		1		VERTICAL	WIRE WOUND	CIRCULAR PACKAGE	LINEAR				3		LUG		-40 Cel							PRECISION	SHAFT							1
81A1A-A24-A21	Bourns	POTENTIOMETER		200000 ohm	2 W	125 Cel	10 %					CERMET			Square		6363		PCB Mount		Variable Resistors	-40 Cel	150		12.7 mm	15.88 mm					15.88 mm		81			15.88 mm		240 deg
82A2A-B28-A15/A15L	Bourns	POTENTIOMETER	PCB MOUNT	10000 ohm	2 W	125 Cel	10 %		1	70 Cel	HORIZONTAL	CERMET		LINEAR	Square			6	PCB Mount	HOOK	Variable Resistors	-40 Cel	150	MATTE TIN		15.88 mm				SHAFT	26.04 mm	e3				15.88 mm	2	240 deg
91A1A-B28-A25L	Bourns	POTENTIOMETER	PANEL MOUNT	1000000 ohm	2 W	125 Cel	10 %		1	70 Cel	HORIZONTAL	CERMET		LINEAR	Rectangular			3	Panel Mount	FLAT	POTENTIOMETER	-40 Cel	150	Tin (Sn)		17.45 mm				SHAFT	22.86 mm	e3				15.88 mm	1	240 deg
PDA241-HRT02-105A2	Bourns	POTENTIOMETER		1000000 ohm	.25 W	70 Cel	15 %					CARBON	CYLINDRICAL PACKAGE		Round				Panel Mount		POTENTIOMETER	-10 Cel					PDA24	250 V			12.8 mm		PDA24	24.2 mm				300 deg
PDB12-H4251-103BF	Bourns	POTENTIOMETER		10000 ohm	.08 W		20 %					CARBON			Rotary				Panel Mount		POTENTIOMETER			TIN				150 V			8.7 mm	e3		12.4 mm				300 deg
PDB181-GTR01-304A2	Bourns	POTENTIOMETER	PANEL MOUNT	300000 ohm	.2 W	50 Cel	20 %		1	50 Cel	HORIZONTAL	CARBON COMPOSITION	CIRCULAR PACKAGE	LINEAR	Round			3	Panel Mount	LUG	Variable Resistors	-10 Cel					PDB181-GTR	150 V		SHAFT	9.3 mm		PDB181-GTR	17 mm			1	300 deg
PDB181-K220K-104B	Bourns	POTENTIOMETER		100000 ohm	.2 W	50 Cel	20 %					CARBON			Rotary				Panel Mount		POTENTIOMETER	-10 Cel						200 V			9.5 mm		PDB18	17 mm				300 deg
PDB182-K415K-104B3	Bourns	POTENTIOMETER		100000 ohm	.125 W	50 Cel	20 %					CARBON			Rotary				Panel Mount		POTENTIOMETER	-10 Cel		TIN			PDB18	200 V			11.5 mm	e3	PDB18	17 mm				300 deg
PDB241-GTR01254A2	Bourns	POTENTIOMETER	Panel Mount	250000 ohm	.25 W	70 Cel	20 %		1		HORIZONTAL	CARBON	RECTANGULAR PACKAGE	AUDIO	Circular			3	Panel Mount	LUG	POTENTIOMETER	-10 Cel						250 V		SHAFT	11.5 mm			24 mm			1	300 deg
PRM162-K420K-103A1	Bourns	POTENTIOMETER		10000 ohm	.05 W	70 Cel	20 %					CARBON			Rotary				Panel Mount		Variable Resistors	-10 Cel				28.5 mm					33.2 mm		PRM16			29 mm		300 deg
PRS14R-10115-103A3	Bourns	POTENTIOMETER	THROUGH HOLE MOUNT	10000 ohm	.05 W	70 Cel	20 %		1		HORIZONTAL	CARBON		AUDIO	Rectangular			6	PCB Mount	FLAT		-10 Cel		TIN						SHAFT	14 mm	e3				8.2 mm	1	300 deg
PTB6043-2010BPA103	Bourns	POTENTIOMETER	THROUGH HOLE MOUNT	10000 ohm	.25 W	60 Cel	20 %				VERTICAL	CARBON		AUDIO	Metal Housing			3	PCB Mount	FLAT		-10 Cel				8 mm		250 V		SLIDE	88 mm					15 mm	1
PTD902-2015F-A103	Bourns	POTENTIOMETER	PANEL MOUNT		.025 W	50 Cel	20 %		1		HORIZONTAL	CARBON		AUDIO	Rectangular			6	PCB Mount	WIRE	POTENTIOMETER	-10 Cel		TIN		11.3 mm		20 V		SHAFT	9.5 mm	e3				9.65 mm	2	300 deg
PTR901-2015K-B103	Bourns	POTENTIOMETER		10000 ohm	.025 W	50 Cel	20 %					CARBON			Square		3753		PCB Mount		POTENTIOMETER	-10 Cel		MATTE TIN		11.3 mm		20 V			9.5 mm	e3				13.4 mm		300 deg
PV12P101A01B00	Murata Manufacturing	TRIMMER	THROUGH HOLE MOUNT	100 ohm	.5 W	125 Cel	10 %	.5 mm	4	70 Cel	VERTICAL	CERMET	CIRCULAR PACKAGE	LINEAR	Cylindrical	BULK		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	Tin/Copper (Sn/Cu)	7 mm			300 V		SCREW	6.6 mm	e2		7.6 mm			1	1440 deg
PV36W203C01B00	Murata Manufacturing	TRIMMER	THROUGH HOLE MOUNT	20000 ohm	.5 W	125 Cel	10 %	.5 mm	25	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Rectangular	BULK		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	Tin/Copper (Sn/Cu)	6 mm	10 mm		300 V		SCREW	9.6 mm	e2				5 mm	1	9000 deg
PV36X501C01B00	Murata Manufacturing	TRIMMER	THROUGH HOLE MOUNT	500 ohm	.5 W	125 Cel	10 %	.5 mm	25	70 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Rectangular	BULK		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	Tin (Sn) over Copper (Cu)	6 mm	10 mm		300 V		SCREW	9.6 mm					5 mm	1	9000 deg
RJ26FX503	Vishay Intertechnology	TRIMMER	THROUGH HOLE MOUNT		.25 W	150 Cel	10 %	.406 mm	22	85 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Rectangular			3	PCB Mount	WIRE		-55 Cel	100	Tin/Lead (Sn/Pb)	4.37 mm	6.73 mm				SCREW	6.73 mm	e0			MIL-R-22097	4.57 mm	1	7920 deg
RJR24FX101R	Defense Logistics Agency	TRIMMER	THROUGH HOLE MOUNT	100 ohm	.5 W	150 Cel	10 %		25	85 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR		TUBE		3		WIRE		-55 Cel								SCREW					MIL-PRF-39035
3006P-7-503LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	50000 ohm	.75 W	125 Cel	10 %	.51 mm	15	70 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TUBE	7519	3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	Matte Tin (Sn)	5.33 mm	6.35 mm		400 V		SCREW	19.05 mm	e3				4.83 mm		5400 deg
3009P-1-204LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	200000 ohm	.75 W	150 Cel	10 %	.51 mm	15	70 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Sealed	Tube		3	PCB Mount	WIRE		-55 Cel	100	MATTE TIN	5.33 mm	8.98 mm		400 V		SCREW	19.05 mm	e3				4.83 mm	1	5400 deg
3057J-1-500	Bourns	POTENTIOMETER	CHASSIS MOUNT	50 ohm	1 W	150 Cel	5 %	.71 mm	22	70 Cel	HORIZONTAL	WIRE WOUND	RECTANGULAR PACKAGE	LINEAR	Rectangular	Bulk		3	Chassis Mount	HOOK		-55 Cel	50	GOLD OVER NICKEL		8 mm				SCREW	31.75 mm	e4				4.83 mm	1	7920 deg
3057P-1-101M	Bourns	POTENTIOMETER	PANEL MOUNT	100 ohm	1 W	150 Cel	5 %	.71 mm	22	70 Cel	HORIZONTAL	WIRE WOUND		LINEAR	Rectangular	Tube		3	Panel Mount	WIRE		-55 Cel	50	GOLD OVER NICKEL	12.7 mm	8 mm				SCREW	31.75 mm	e4				4.83 mm	1	7920 deg
3057P-1-103	Bourns	POTENTIOMETER	THROUGH HOLE MOUNT	10000 ohm	1 W	150 Cel	5 %	.71 mm	22	70 Cel	HORIZONTAL	WIRE WOUND	RECTANGULAR PACKAGE	LINEAR	Rectangular	Tube		3	PCB Mount	WIRE		-55 Cel	50	GOLD OVER NICKEL	12.7 mm	8 mm				SCREW	31.75 mm	e4				4.83 mm	1	7920 deg
3059Y-1-503LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	50000 ohm	1 W	150 Cel	10 %	.71 mm	22	70 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Rectangular	TUBE		3	PCB Mount	WIRE		-55 Cel	100	Matte Tin (Sn)	12.7 mm	8 mm		400 V		SCREW	31.75 mm	e3				4.83 mm	1	7920 deg
3214G-1-103E	Bourns	TRIMMER	SURFACE MOUNT	10000 ohm	.25 W	150 Cel	10 %		5	85 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TR, EMBOSSED, 7 INCH	1918	3	SMT	GULL WING	Variable Resistors	-65 Cel	100	Matte Tin (Sn)		3.9 mm		300 V		SCREW	4.8 mm	e3				4.6 mm		1800 deg
3214W-1-504E	Bourns	TRIMMER	SURFACE MOUNT	500000 ohm	.25 W	150 Cel	10 %		5	85 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TR, EMBOSSED, 7 INCH	1420	3	SMT	J BEND	Variable Resistors	-65 Cel	100	MATTE TIN		4.8 mm		300 V		SCREW	3.5 mm	e3				5.1 mm		1800 deg
3223W-1-204E	Bourns	TRIMMER	SURFACE MOUNT	200000 ohm	.125 W	150 Cel	20 %		11	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Sealed	TR, EMBOSSED, 7 INCH	1616	3	SMT	WRAPAROUND	Variable Resistors	-65 Cel	100	MATTE TIN		3.18 mm		200 V		SCREW	4 mm	e3				3.96 mm	1	3960 deg
3223W-1-503E	Bourns	TRIMMER	SURFACE MOUNT	50000 ohm	.125 W	150 Cel	20 %		11	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Sealed	TR, EMBOSSED, 7 INCH	1616	3	SMT	WRAPAROUND	Variable Resistors	-65 Cel	100	MATTE TIN		3.18 mm		200 V		SCREW	4 mm	e3				3.96 mm	1	3960 deg
3224G-1-201E	Bourns	TRIMMER	SURFACE MOUNT	200 ohm	.25 W	150 Cel	10 %		12	85 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TR, EMBOSSED, 7 INCH	1918	3	SMT	GULL WING	POTENTIOMETER	-65 Cel	100	Matte Tin (Sn)		3.9 mm				SCREW	4.8 mm	e3				4.6 mm		4320 deg
3224X-1-500E	Bourns	TRIMMER	SURFACE MOUNT	50 ohm	.25 W	150 Cel	10 %		12	85 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TR, EMBOSSED, 7 INCH	1914	3	SMT	GULL WING	POTENTIOMETER	-65 Cel	100	Matte Tin (Sn)		5.1 mm				SCREW	4.8 mm	e3				3.5 mm		4320 deg
3250P-1-100	Bourns	TRIMMER	THROUGH HOLE MOUNT	10 ohm	1 W	150 Cel	5 %	.71 mm	25	85 Cel	HORIZONTAL	WIRE WOUND	RECTANGULAR PACKAGE	LINEAR	Square	Tube		3	PCB Mount	WIRE		-65 Cel	50	MATTE TIN	13.33 mm	5.59 mm				SCREW	12.7 mm	e3				12.7 mm	1	9000 deg
3250W-1-500	Bourns	TRIMMER	THROUGH HOLE MOUNT	50 ohm	1 W	150 Cel	5 %	.71 mm	25	85 Cel	VERTICAL	WIRE WOUND	RECTANGULAR PACKAGE	LINEAR	Square	Tube		3	PCB Mount	WIRE		-65 Cel	50	MATTE TIN	13.33 mm	12.7 mm				SCREW	12.7 mm	e3				5.59 mm	1	9000 deg
3252W-1-504	Bourns	TRIMMER	THROUGH HOLE MOUNT	500000 ohm	.75 W	150 Cel	10 %	.71 mm	25	85 Cel	VERTICAL	CERMET		LINEAR	Rectangular	Tube		3	PCB Mount	WIRE		-65 Cel	100	TIN LEAD	13.34 mm	12.7 mm		400 V		SCREW	12.7 mm	e0				5.59 mm	1	9000 deg
3262W-1-503	Bourns	TRIMMER	THROUGH HOLE MOUNT	50000 ohm	.25 W	150 Cel	10 %	.46 mm	12	85 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TUBE	2517	3	PCB Mount	WIRE	Variable Resistors	-65 Cel	100	TIN LEAD	4.78 mm	6.35 mm		300 V		SCREW	6.35 mm	e0				4.32 mm		4320 deg
3266Y-1-501LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	500 ohm	.25 W	150 Cel	10 %		12	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Multi-Turn	TUBE		3	Radial	WIRE		-55 Cel	100	Matte Tin (Sn)		7.24 mm		300 V		SCREW	6.71 mm	e3				4.5 mm	1
3290W-1-203	Bourns	TRIMMER	THROUGH HOLE MOUNT	20000 ohm	1 W	150 Cel	5 %	.51 mm	25	85 Cel	VERTICAL	WIRE WOUND		LINEAR	Rectangular	Tube		3	PCB Mount	WIRE		-65 Cel	50	GOLD OVER NICKEL	8 mm	9.53 mm				SCREW	9.53 mm	e4				3.81 mm	1	9000 deg
3292L-1-103	Bourns	TRIMMER	CHASSIS MOUNT	10000 ohm	.5 W	150 Cel	10 %		25	85 Cel	HORIZONTAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Multi-Turn	BULK		3	Chassis Mount	FLEXIBLE WIRE	Variable Resistors	-65 Cel	100	TIN LEAD	152.4 mm	3.81 mm		400 V		SCREW	9.53 mm	e0				9.53 mm	1	9000 deg
3299W-1-101LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	100 ohm	.5 W	125 Cel	10 %	.51 mm	25	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TUBE		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	TIN	6.22 mm	10.03 mm		300 V		SCREW	9.53 mm	e3				6.1 mm		9000 deg
3299W-1-102LF	Bourns	TRIMMER	THROUGH HOLE MOUNT	1000 ohm	.5 W	125 Cel	10 %	.51 mm	25	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TUBE		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	TIN	6.22 mm	10.03 mm		300 V		SCREW	9.53 mm	e3				6.1 mm		9000 deg
3299Y-1-502	Bourns	TRIMMER	THROUGH HOLE MOUNT	5000 ohm	.5 W	125 Cel	10 %	.51 mm	25	70 Cel	VERTICAL	CERMET	RECTANGULAR PACKAGE	LINEAR	Trimmer Pot	TUBE		3	PCB Mount	WIRE	Variable Resistors	-55 Cel	100	TIN LEAD	6.22 mm	10.03 mm		300 V		SCREW	9.53 mm	e0				6.1 mm		9000 deg

Variable Resistors

Variable resistors, also known as potentiometers or rheostats, are electrical components that can adjust the resistance in a circuit. They typically consist of a resistive element and a movable wiper, which can be adjusted by a knob or a slider. By changing the position of the wiper, the resistance between two terminals of the resistor can be varied, allowing for precise control of the amount of current flowing through the circuit.

Variable resistors are commonly used in a variety of electronic applications, such as audio equipment, lighting controls, and motor speed controls. They can also be used as voltage dividers, where the resistance value can be adjusted to achieve a desired output voltage. Variable resistors come in various shapes and sizes, including rotary potentiometers, slide potentiometers, trimmers, and preset resistors.

One of the main advantages of variable resistors is their versatility, as they can be used to control a wide range of electrical parameters, such as voltage, current, and power. They can also be used for calibration and testing purposes, as they allow for precise adjustment of circuit parameters. However, variable resistors also have some limitations, such as limited lifetime due to wear and tear, and the potential for noise and instability at higher resistance values.